@article{453685,
      recid = {453685},
      author = {Mackintosh, Barry.},
      title = {The national parks : shaping the system /},
      publisher = {U.S. Dept. of the Interior,},
      address = {Washington, D.C. :},
      pages = {127 p. :},
      year = {1991},
      note = {Shipping list no.: 91-0498-P.},
      url = {http://library.usi.edu/record/453685},
}